name | silicon nitride bonded silicon carbide bricks |
Apparent porosity % | ≤18 |
(Bulk density)g/cm3 | ≥2.60 |
(Cold compression strength)MPa | ≥140 |
(Modulus rapture at room temperature)(1400°C)Mpa | ≥40 |
(Modulus rapture at elevated temperature)(1400°C)Mpa | ≥40 |
(Coefficient of thermal liner expansion) ×10-6/°C(1100°C) | ≤4.18 |
(Thermal conductivity )w/(m·k) (350°C) | ≥16 |
(Refractoriness) (°C) | 1800 |
0.2Mpa(Loading softening point )(°C) | 1600 |
(Max working temperature) (°C) | 1550 |
(Composition)(%) | SiC | ≥70 |
Si3N4 | ≥20 |
Fe2O3 | ≤0.7 |
SiC+ Si3N4 | ≥90 |
Si | ≤0.5 |